Initial work on refactorings.

pkg/analysis_services/lib/src/correction/statement_analyzer.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library services.src.correction.statement_analyzer;
 
+import 'package:analysis_services/correction/status.dart';
 import 'package:analysis_services/src/correction/selection_analyzer.dart';
 import 'package:analysis_services/src/correction/source_range.dart';
 import 'package:analysis_services/src/correction/util.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/scanner.dart';
 import 'package:analyzer/src/generated/source.dart';
 
 
 /**
  * Returns [Token]s of the given Dart source, not `null`, may be empty if no
  * tokens or some exception happens.
  */
 List<Token> _getTokens(String text) {
   try {
     List<Token> tokens = <Token>[];
     Scanner scanner = new Scanner(null, new CharSequenceReader(text), null);
     Token token = scanner.tokenize();
     while (token.type != TokenType.EOF) {
       tokens.add(token);
       token = token.next;
     }
     return tokens;
   } catch (e) {
     return new List<Token>(0);
   }
 }
 
-/**
- * TODO(scheglov) port the real class
- */
-class RefactoringStatus {
-  bool get hasFatalError => false;
-
-  void addFatalError(String message, RefactoringStatusContext context) {
-  }
-}
-
-/**
- * TODO(scheglov) port the real class
- */
-class RefactoringStatusContext {
-  RefactoringStatusContext.forUnit(CompilationUnit unit, SourceRange range);
-}
-
 
 /**
  * Analyzer to check if a selection covers a valid set of statements of AST.
  */
 class StatementAnalyzer extends SelectionAnalyzer {
   final CompilationUnit unit;
 
   RefactoringStatus _status = new RefactoringStatus();
 
   StatementAnalyzer(this.unit, SourceRange selection) : super(selection);
@@ skipping 178 matching lines @@
    */
   static bool _containsAny(List<AstNode> nodes, List<AstNode> otherNodes) {
     for (AstNode otherNode in otherNodes) {
       if (nodes.contains(otherNode)) {
         return true;
       }
     }
     return false;
   }
 }